The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 30, 2023

Filed:

Dec. 29, 2021
Applicant:

Macronix International Co., Ltd., Hsinchu, TW;

Inventors:

Han-Wen Hu, Tainan, TW;

Yung-Chun Li, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/14 (2006.01); G11C 7/10 (2006.01); H03K 19/017 (2006.01); G11C 7/12 (2006.01); G11C 8/08 (2006.01);
U.S. Cl.
CPC ...
G11C 7/14 (2013.01); G11C 7/1039 (2013.01); G11C 7/1063 (2013.01); G11C 7/12 (2013.01); G11C 8/08 (2013.01); H03K 19/01742 (2013.01);
Abstract

A memory device and an operation method thereof are provided. The operation method includes: in a first phase, selecting a global signal line, selecting a first string select line, unselecting a second string select line, selecting a first word line, and unselecting a second word line; sensing during a second phase; in a third phase, keeping voltages of the global signal line, the selected first word line and the unselected second word line, unselecting the first string select line and selecting the second string select line to switch voltages of the first and the second string select lines; and sensing during a fourth phase.


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